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Reference Guide
hsimpleProxy.C File Reference

Detailed Description

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To use this file, generate hsimple.root:

root.exe -b -l -q hsimple.C
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t b
float * q
Definition: THbookFile.cxx:89
TLine l
Definition: textangle.C:4

and do

TFile *file = TFile::Open("hsimple.root");
TTree *ntuple ; file->GetObject("ntuple",ntuple);
A ROOT file is a suite of consecutive data records (TKey instances) with a well defined format.
Definition: TFile.h:54
static TFile * Open(const char *name, Option_t *option="", const char *ftitle="", Int_t compress=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt=0)
Create / open a file.
Definition: TFile.cxx:4019
A TTree represents a columnar dataset.
Definition: TTree.h:79
void Draw(Option_t *opt) override
Default Draw method for all objects.
Definition: TTree.h:428
Definition: file.py:1
double hsimpleProxy() {
return px;
Rene Brun

Definition in file hsimpleProxy.C.